Get Facebook Profile Content Using graph.facebook [php]

<?php
$data = file_get_contents('https://graph.facebook.com/iboyak');
$data = json_decode($data);
$id = $data->id;
$name =  $data->name;
$first_name   =  $data->first_name;
$last_name = $data->last_name;
$gender = $data->gender;
$locale = $data->locale;
$username = $data->username;
$pic_profile   =  'https://graph.facebook.com/'.$data->username.'/picture?type=large';
?>

<br>

<?php
echo '<img src='.$pic_profile.'><br/>';
echo $id."<br/>";
echo $name."<br/>";
echo $first_name."<br/>";
echo $last_name."<br/>";
echo $gender."<br/>";
echo $locale."<br/>";
echo $username."<br/>";
?>